பொருள் : (anatomy) a disk of cartilage that serves as a cushion between the ends of bones that meet at a joint.
ஒத்த சொற்கள் : semilunar cartilage
பொருள் : (optics) a lens that is concave on one side and convex on the other.
பொருள் : (physics) the curved upper surface of a nonturbulent liquid in a vertical tube.